QPC841 Quad Serial Data Interface card Page 865 of 894

select the addresses for ports 1 and 2. Switch SW15 is used to select the addresses for ports 3 and 4.

Table 270

QSDI card address switch settings

SW14

Port 1

Port 2

 

 

 

Switch settings

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW15

Port 3

Port 4

1

2

3

4

5

 

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

off

off

off

off

off

 

on

on

on

 

 

 

 

 

 

 

 

 

 

 

 

 

2

3

off

off

off

off

off

 

on

on

off

Device

 

 

 

 

 

 

 

 

 

 

 

4

5

off

off

off

off

off

 

on

off

on

pair

 

 

 

 

 

 

 

 

 

 

 

 

addresses

6

7

off

off

off

off

off

 

on

off

off

 

 

 

 

 

 

 

 

 

 

 

 

 

8

9

off

off

off

off

off

 

off

on

on

 

 

 

 

 

 

 

 

 

 

 

 

 

10

11

off

off

off

off

off

 

off

on

off

 

 

 

 

 

 

 

 

 

 

 

 

 

12

13

off

off

off

off

off

 

off

off

on

 

 

 

 

 

 

 

 

 

 

 

 

 

14

15

off

off

off

off

off

 

off

off

off

 

 

 

 

 

 

 

 

 

 

 

 

Note 1: On SW16, positions 1, 2, 3, and 4 must be OFF.

Note 2: To avoid address conflicts, SW14 and SW15 can never have identical settings.

Note 3: To disable ports 1 and 2, set SW14 position 1 to ON. To disable ports 3 and 4, set SW15 position 1 to ON.

Circuit Card Description and Installation

Page 865
Image 865
Nortel Networks 553-3001-211 manual Device, Pair Addresses